Path: utzoo!attcan!uunet!dino!ux1.cso.uiuc.edu!julius.cs.uiuc.edu!rpi!batcomputer!saunders
From: saunders@batcomputer.tn.cornell.edu (Kevin Saunders)
Newsgroups: comp.sys.next
Subject: Re: NeXT AppleTalk
Message-ID: <1990Oct31.144607.25123@batcomputer.tn.cornell.edu>
Date: 31 Oct 90 14:46:07 GMT
References: <3701.2728707d@cc.helsinki.fi> <29282@pasteur.Berkeley.EDU> <1990Oct28.020457.10908@cunixf.cc.columbia.edu>
Organization: Cornell Theory Center
Lines: 30

In article <1990Oct28.020457.10908@cunixf.cc.columbia.edu> wln@cunixb.cc.columbia.edu (William L Nussbaum) writes:
>...Given that AppleTalk is implemented over RS-422, how difficult would it be
>to implement AppleTalk directly for the NeXT's serial ports?

Uh, I had this great idea too, and thought for a few moments about it.
Having had some experience with the 8530 and Apple's LocalTalk (.MPP)
driver (color me black and blue), I can state forthrightly that
1) it might work 2) and would bring your machine to its knees with
the interrupts required to service the 3-character buffer on the 8530,
or, alternatively, grovel at the feet of the 8530 waiting for the next
character to arrive.

So somebody out there needs to develop a NeXTBus AppleTalk board!

Rats,
kevin

Kevin Eric Saunders, Systems Programmer, Cornell U/Info-Tech/Network Resources
   cqu@cornellc.cit.cornell.edu




 

   
-- 

Kevin Eric Saunders
   cqu@cornellc.cit.cornell.edu